121395574084 has 6 divisors (see below), whose sum is σ = 212442254654. Its totient is φ = 60697787040.

The previous prime is 121395574061. The next prime is 121395574099. The reversal of 121395574084 is 480475593121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68550759684 + 52844814400 = 261822^2 + 229880^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15174446757 + ... + 15174446764.

Almost surely, 2^121395574084 is an apocalyptic number.

It is an amenable number.

121395574084 is a deficient number, since it is larger than the sum of its proper divisors (91046680570).

121395574084 is a wasteful number, since it uses less digits than its factorization.

121395574084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30348893525 (or 30348893523 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 121395574084 in words is "one hundred twenty-one billion, three hundred ninety-five million, five hundred seventy-four thousand, eighty-four".